Question

Mr. Zhou has given his unit test in Social Studies, and his students obtained the following scores (in percentages):
38 38 59 62 67 67 71 72 74 74 77 78 78 80 82 82 87 86 87 89
Mr. Zhou's absolute grading standards apply a 90% cutoff for an A, an 80% cutoff for a B, etc.
Mr. Zhou is questioning his grading system after examining these grades. Describe the problem he faces. Describe Mr. Zhou's alternative for interpreting these test scores. In other words, what other basic approach to grading standards could he apply to the test results? How would the letter grades be affected? Describe one drawback to this change in grading standards.

Answer

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